Yoga Posture Inversions and Stroke Risks

Inversions, such as headstand (Sirsasana) and shoulderposture where she is in a full inversion. There is also a
stand (Sarvangasana), are often considered "royal"fair amount of risk any time she puts her head below
poses by Hatha Yoga practitioners. Some studentsheart level, whether it is a forward fold or a back bend,
and teachers consider inversions to be of the utmostsuch as wheel pose.
importance in their personal Hatha Yoga practice.Here's why: Strokes can occur for a variety of
While there are many benefits from inversions,reasons. Among these causes - Blood clots, broken
students with pre-existing medical conditions, are put atoff pieces of artery plaque, and other masses, are
risk unnecessarily. When we have no health problems,commonly related causes of strokes. Once there is a
it is easy to put issues of risk and contraindicationsblockage of blood to the brain, you have a stroke, due
aside, but Yoga teachers and students should do theirto the lack of oxygen and nutrients getting to the brain.
research.Unfortunately, your student has a pre-existing medical
In the case of students who have a history of strokes,condition. I wouldn't turn a student upside down, who
within their family, or who have previously had a stroke,was in any risk category related to an inverted
the approach to inversions should be "Extremeposture. I know this sounds harsh, but I doubt your
Caution." Below is a question and answer sessionstudent has her "doctor's consent." You may want to
regarding the safety measures, contraindications, andinsist on it. A "doctor's note" would be advisable.
information that should be readily available for YogaThis is for her protection, as well as yours. In her case,
teachers and students alike.we are concerned with her health, safety, and well
Q: I have a new student who had a stroke in the pastbeing. In your case - if she is injured, due to participating
year. I keep hearing cautions and contraindicationsin your class, you have to live with it; and any resulting
about "recent strokes." How recent, is recent? Whatlawsuit could test the limits of your liability insurance.
should I know about helping her into wheel poseFor the record: Other contraindications, for inverted
(Chakrasana), preparation for headstand, shoulderYoga postures, include epilepsy, heart conditions, neck
stand, or any other inversions?injuries, high blood pressure, glaucoma, and other eye
A: About inversions for students who are at risk, withproblems. There is also significant debate about
pre-existing medical conditions, such as strokes: I wouldwhether a student should pursue full inversions during
not advise them, whether the stroke was recent, ormenstruation and pregnancy. In all of these cases, the
not.advice of a physician should be sought.
This person is at extreme risk when performing any